数字散斑三维人体快速扫描方法

王永信; 卢秉恒; 梁晋; 冯超; 刘世凡

doi:10.3788/OPE.20162413.0551

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数字散斑三维人体快速扫描方法

更新时间：2020-08-13

- 数字散斑三维人体快速扫描方法
- Fast scan method of digital speckle and three-dimensional human body
- 光学精密工程 2016年24卷第10s期页码：551-558
- 作者机构：
  
  1. 西安交通大学机械工程学院, 机械制造系统工程国家重点实验室,陕西西安,710049
  2. 广东顺德西安交通大学研究院,广东佛山,528300
- 作者简介：
- 基金信息：
  
  中央高校基本科研业务费专项资金资助(30915118823)
- DOI：10.3788/OPE.20162413.0551
  中图分类号： TP23;TB811
- 收稿日期：2016-04-20，
  
  修回日期：2016-05-17，
  
  纸质出版日期：2016-11-14
- 稿件说明：
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王永信, 卢秉恒, 梁晋等. 数字散斑三维人体快速扫描方法[J]. 光学精密工程, 2016,24(10s): 551-558

WANG Yong-xin, LU Bing-heng, LIANG Jin etc. Fast scan method of digital speckle and three-dimensional human body[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 551-558
王永信, 卢秉恒, 梁晋等. 数字散斑三维人体快速扫描方法[J]. 光学精密工程, 2016,24(10s): 551-558 DOI： 10.3788/OPE.20162413.0551.

WANG Yong-xin, LU Bing-heng, LIANG Jin etc. Fast scan method of digital speckle and three-dimensional human body[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 551-558 DOI： 10.3788/OPE.20162413.0551.

摘要

为了弥补传统人体扫描方式难以实现快速、全身人体扫描的不足，提出了一种数字散斑三维人体快速扫描方法。首先，提出了一种基于种子点的数字图像相关匹配算法，以求解相关匹配非线性优化初值。其次，采用基于摄影测量的大视场多相机标定策略，并根据双目立体视觉原理重建人体三维点云。最后，根据以上关键技术并借助VS2010开发环境，研制出XTBodyscan三维人体快速扫描系统。为验证本文方法的可行性和标定精度，实施了4次人体扫描和10组系统标定实验。实验结果表明，本文方法能够在0.1s内完成人体全身扫描，标定误差小于0.1 pixels，可以实现人体全身、快速、细节特征保持的三维人体扫描，具有非接触、无伤害和体验度高等优点，为人体快速3D反求提供了一种有效方法。

Abstract

To make up for disadvantage of traditional human body scan way that it is difficult to realize the fast and whole body scan

fast scan method of digital speckle and three-dimensional human body is put forward. Concerned matching algorithm of digital image on the basis of seed point is put forward to solve initial value of nonlinear optimization of concerned matching. Adopt large visual field and multiple camera calibration strategy based on photogrammetry

and reestablish three-dimensional point cloud of human body according to binocular stereoscopic vision theory. Make use of VS2010 development environment

and develop XTBodyscan three-dimensional human body fast scan system. 4 human body scans and 10 groups of system calibration experiments are implemented to verify feasibility and calibration accuracy of the scan method. Experimental result shows that method in this paper can finish the whole body scan of human body within 0.1s and calibration error is lower than 0.1pixels. Three-dimensional human body scan of the whole body with fast speed and detail feature kept can be realized

having advantage of non-contact

no damage and high experience

which provides an effective method for fast 3D reverse engineering of human body.

关键词

Keywords

references

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